Year	Dollars
1997-01-01	500191
2004-01-01	139675
2005-01-01	51863
2006-01-01	406411
2007-01-01	1322856
2009-01-01	444182
2010-01-01	78665
2011-01-01	75564
2013-01-01	184482
2014-01-01	226002
2015-01-01	269191
2016-01-01	1071883